The Synth Sounded Fine When Nobody Was Listening
This is my entry for DEV's Summer Bug Smash — Smash Stories. There is a specific kind of bug that makes you doubt your own ears. I had a browser-bas…
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Recording Spec-Compliant WAV Files (16-bit/Mono/Uncompressed) Using Only Web Audio
📝 Originally published (in Japanese) at forge.workstyle.tech . Introduction to Clean Audio Recording When it comes to recording audio in the browser…
The Timeline Was Split, but the Audio Wasn't: Fixing Source Offsets in a Browser Video Editor
This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry . Project Overview Timeline Studio is a local-first AI video edi…
Building a Browser-Based Microphone Diagnostic Tool with the Web Audio API
Most "mic test" tools online do one thing: show you a moving bar while you talk, and call it done. That tells you the browser can hear something — i…
A Browser Ear-Training Trainer in 350 Lines — Equal-Temperament Frequencies and Three Web Audio Footguns
Reading a music-theory textbook is one way to drill relative pitch recognition. Loading a webpage is another. This is a 350-line ear-training traine…
TIL canvas.captureStream() is video-only — here's how I mixed voiceover + music into a MediaRecorder export" published: true
TL;DR — canvas.captureStream() only carries video tracks. To get audio into your MediaRecorder export you need to build an AudioContext graph that l…